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#!/usr/bin/env python
#
# Copyright (c), 2021, SISSA (International School for Advanced Studies).
# All rights reserved.
# This file is distributed under the terms of the MIT License.
# See the file 'LICENSE' in the root directory of the present
# distribution, or http://opensource.org/licenses/MIT.
#
# @author Davide Brunato <brunato@sissa.it>
#
from timeit import timeit
from memory_profiler import profile
from elementpath import XPath1Parser, XPath2Parser
from elementpath.xpath30 import XPath30Parser
def run_timeit(stmt='pass', setup='pass', number=1000):
seconds = timeit(stmt, setup=setup, number=number)
print("{}: {}s".format(stmt, seconds))
@profile
def xpath1_parser_objects():
return [XPath1Parser() for _ in range(10000)]
@profile
def xpath2_parser_objects():
return [XPath2Parser() for _ in range(10000)]
@profile
def xpath30_parser_objects():
return [XPath30Parser() for _ in range(10000)]
if __name__ == '__main__':
print('*' * 62)
print("*** Memory and timing profile of XPathParser1/2/3 classes ***")
print("***" + ' ' * 56 + "***")
print('*' * 62)
print()
xpath1_parser_objects()
xpath2_parser_objects()
xpath30_parser_objects()
NUMBER = 10000
SETUP = 'from __main__ import XPath1Parser'
run_timeit("XPath1Parser().parse('18 - 9 + 10')", SETUP, NUMBER)
run_timeit("XPath1Parser().parse('true()')", SETUP, NUMBER)
run_timeit("XPath1Parser().parse('contains(\"foobar\", \"bar\")')", SETUP, NUMBER)
run_timeit("XPath1Parser().parse('/A/B/C/D')", SETUP, NUMBER)
print()
SETUP = 'from __main__ import XPath2Parser'
run_timeit("XPath2Parser().parse('18 - 9 + 10')", SETUP, NUMBER)
run_timeit("XPath2Parser().parse('true()')", SETUP, NUMBER)
run_timeit("XPath2Parser().parse('contains(\"foobar\", \"bar\")')", SETUP, NUMBER)
run_timeit("XPath2Parser().parse('/A/B/C/D')", SETUP, NUMBER)
print()
SETUP = 'from __main__ import XPath30Parser'
run_timeit("XPath30Parser().parse('18 - 9 + 10')", SETUP, NUMBER)
run_timeit("XPath30Parser().parse('true()')", SETUP, NUMBER)
run_timeit("XPath30Parser().parse('contains(\"foobar\", \"bar\")')", SETUP, NUMBER)
run_timeit("XPath30Parser().parse('/A/B/C/D')", SETUP, NUMBER)
print()
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